# 如何将'itsouce'赋给列表的第三个值，而列表保存在名为bags的变量中？
# 		bags = [2, 4, 6, 8, 10]

list1 = bags = [2, 4, 6, 8, 10]
list1.insert(2, 'itsource')
print(list1)

